The Patient Has New-Onset Restlessness and Confusion

question 25

Multiple Choice

The patient has new-onset restlessness and confusion.His pulse rate is elevated,as is his respiratory rate.His oxygen saturation,however,is 94% according to the portable pulse oximeter.The nurse ignores the oximeter reading and calls the physician to obtain an order for an arterial blood gas (ABG) .The nurse does this because many things can cause inaccurate pulse oximetry readings,including which of the following?

• A) O₂ saturations (SaO₂) >70%
• B) Carbon monoxide inhalation
• C) Nail polish
• D) Hypothermia at the assessment site
• E) Intravascular dyes

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